CVE-2026-88265EPSS p1.7%

CVE-2026-88265CVE-2026-88265

Description

A flaw was found in crun. After pivot_root, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.

Scoring

CVSS 5.6 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
EPSS0.12% probability of exploitation · percentile 1.7% · 2026-10-05T12:00:23Z
Last modified2026-10-02
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.